An 88-year-old Corps of Engineers dustpan dredge, the Jadwin, departed from the Vicksburg, Miss., Harbor, May 3, for its annual season of dredging along the Mississippi River and its tributaries.
The Jadwin is classed as a dustpan dredge due to the shape of the suction/cutting head which resembles a dustpan.
That “dustpan” lowers to a specific depth on the river bottom. The water jets agitate the sediment and the dustpan vacuums up the agitated material and pumps it through the dredge and...
https://www.marinelog.com/inland-coastal/veteran-dustpan-dredge-starts-its-mississippi-season/